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National Stock Number:
6625-00-649-4286
Federal Supply Class:
6625
National Item Identification Number:
006494286
Description:
METER,ELECTRICAL FREQUENCY
Detail:
An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in Hertz (cycles per second or CPS). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see CALIBRATOR, FREQUENCY; and WAVEMENTER. Excludes: COUNTER ELECTRONIC DIGITAL.
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Manufacturer Information:
| ANURM80 | 80058 | JOINT ELECTRONICS TYPE DESIGNATION SYSTEM | | MILF11069 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| FURNISHED ITEMS AND QUANTITY | CASE 1,CORD 1 | | ENTRY DATE | 70-01-09 | | FEATURES PROVIDED | INTERNAL FREQUENCY CALIBRATING CRYSTAL | | FREQUENCY RATING | 50.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM | | FREQUENCY RESPONSE RANGE | +10.0 TO 100.0 MEGAHERTZ | | FUNCTIONAL CLASSIFICATION | AA-6.3 | | FUNCTIONAL DESCRIPTION | PORTABLE INSTRUMENT CAPABLE OF MEASURING ANY FREQUENCY WITHIN THE RANGE OF 10 TO 100 MHZ W/AN ACCURACY OF PORM 0.001 PCT. USES THE HETERODYNE PRINCIPLE FOR DETERMINING THE FREQUENCY OF AN UNKNOWN SIGNAL; MEASUREMENT IS ACCOMPLISHED BY HETERODYNING A KNOWN SIGNAL FROM THE TEST INSTRUMENT AGAINST THE UNKNOWN SIGNAL. CHECK POINTS ARE USED TO CALIBRATE THE INSTRUMENT THROUGHOUT ITS OPERATING RANGE. USED TO TEST THE FOLLOWING AVIONICS SYSTEMS: AN/ARC-44; AN/ARC-45; AN/ARC-54; AN/ARC-60; AN/ARC-73; AN/ARN-32; AN/FRC-15; AN/TRC-68; AN/URC-35C; R-508/ARC,AND R-509/ARC | | OVERALL HEIGHT | 18.500 INCHES NOMINAL | | OVERALL LENGTH | 21.000 INCHES NOMINAL | | OVERALL WIDTH | 14.250 INCHES NOMINAL | | MATERIAL | ALUMINUM | | PHASE | SINGLE | | REFERENCE DATA AND LITERATURE | DEPT OF ARMY PUBLICATIONS; TM11-5095 W/CHANGES 3,4,5,OCT 55; TM11-6625-284-20P,NOV 59; TM11-6625-284-35P,NOV 59; TB11-6625-284-35/1,NOV 59 | | RELATIONSHIP TO SIMILAR EQUIPMENT | INTERCHANGEABLE WITH NSN 6625-00-553-8412 | | TYPE/MODEL DESIGNATION | AN/URM-80 |
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